BQ25882
- High-efficiency 2-A, 1.5-MHz switch mode boost charger
- 92.5% Charge efficiency at 7.6-V battery, 1-A charge
- Optimized for USB input and 2-cell Li-Ion output
- Selectable low power PFM mode for light load operation with out-of-audio option
- USB On-the-Go (OTG) with adjustable output from 4.5 V to 5.5 V
- Buck converter with up-to 2-A output
- 94.5% Efficiency at 5-V, 1-A output
- Accurate constant current (CC) limit
- Output short protection
- Selectable low power PFM mode for light load operation with out-of-audio option
- Single Input to support USB input adapters
- Supports 3.9-V to 6.2-V input voltage range with 20-V absolute maximum input voltage rating
- Input current limit (500 mA to 3.3 A with 100-mA resolution) to support USB2.0, USB3.0 standard adapters
- Maximum power tracking by input voltage limit up-to 5.5 V
- Auto-detect USB SDP, CDP, DCP, and non-standard adapters
- Input current optimizer (ICO) to maximize input power without overloading adapters
- Highest battery discharge efficiency with 15-mΩ battery discharge MOSFET
- Integrated ADC for system monitoring (BUS voltage and current, BAT voltage, charge current, SYS voltage, and NTC and die temperature)
- Narrow VDC (NVDC) power path management
- Instant-on works with no battery or deeply discharged battery
- Ideal diode operation in battery supplement mode
- Flexible autonomous and I2C mode for optimal system performance
- High integration includes all MOSFETs, current sensing and loop compensation
- High accuracy
- ±0.4% Charge voltage regulation
- ±7.5% Charge current regulation
- ±7.5% Input current regulation
- Safety
- Battery temperature sensing in charge and OTG buck mode
- Thermal regulation and thermal shutdown
The BQ25882 is a highly-integrated 2-A switch-mode battery charge management and system power path management device for dual-cell Li-Ion and Li-polymer batteries. The I2C Serial interface with charging and system settings makes the device a truly flexible solution.
技術文件
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檢視所有 5 類型 | 標題 | 日期 | ||
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* | Data sheet | BQ25882 I2C Controlled, 2-Cell, 2-A Boost-Mode Battery Charger For USB Input datasheet (Rev. C) | PDF | HTML | 2019年 7月 29日 |
Application note | State of Charge Estimation Using Smart Battery Charger | PDF | HTML | 2021年 10月 11日 | |
Technical article | Battery-charging tips for video doorbell applications | PDF | HTML | 2019年 4月 15日 | |
Technical article | 4 Reasons why you should use a boost charger for 2-cell battery application | PDF | HTML | 2019年 4月 3日 | |
User guide | bq2588x Boosting Battery Chargers Evaluation Module User's Guide (Rev. A) | 2018年 8月 21日 |
設計與開發
如需其他條款或必要資源,請按一下下方的任何標題以檢視詳細頁面 (如有)。
介面轉接器
EV2400 — 適用電池電量 (氣量) 計評估模組的 USB PC 介面板
The EV2400 EVM interface board enables an IBM-compatible or other type PC (with the required driver for its particular platform) to communicate with the Texas Instruments SMBus or I2C interface gas gauges via a Universal Serial Bus (USB) port. In addition to this board, PC software is required to (...)
使用指南: PDF
參考設計
PMP40496 — 具有 5V USB 的 2 芯升壓充電系統參考設計
This 5-V USB, 2-cell battery boost charger reference design includes a charger system and a 2-cell battery holder with a gauge that can be connected by a cable or work independently. The key components of the charger system include the BQ25883 boost charger, TUSB320LAI Type-C CC logic, (...)
封裝 | 引腳 | 下載 |
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DSBGA (YFF) | 25 | 檢視選項 |
訂購與品質
內含資訊:
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
內含資訊:
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。